Patent AU-2017314290-B2 (AU)
Title: Micro-grid dynamic stability control system and micro-grid dynamic stability control method
Inventor: ZHENG DEHUA
IPC: H02J3/00
Filed: 2017-06-29
Granted: 2020-01-02
Abstract: (10) W tii (43) 2018 l 7 P- 5 (05.07.2018) WIPO I PT WO 2018/120699A H02J3/16 (2006.01) H02J3/38 (2006.01) , Beijing 100176 (CN) o ElI li" $(QIU,Fudong); (21)$ % PCT/CN2017/090690 B N (2~~~~~~~ ~ ~ ~ ~ ,)R T 1 07 6 9H(90.07 Beijing 100176 (CN)c (22)(74s)t$iiH: 2017 J 6)J]29H(29.06.2017) (O (25) $ i i9 : iX (MING & SURE INTELLECTUAL PROPERTY LAW (26) Q4ITi : FIRM); d I L M$ *j X M %A (30) ty:r3 Beijing 100095 (CN)c 201611233633.2 2016F-12)J28 H (28.12.2016) CN (81 V 4 #PS )4) : AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, (71) igAX: 5I -3 & ) .5 P R. A BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, P3 (JIANGSU GOLDWIND SCIENCE & TECHNO- CZ, DE, DJ, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, LOGY CO., LTD.) [CN/CN]; T [Id "F A) GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, M k t X & i- f a X 99 i, JO, JP, KE, KG, KH, KN, KP, KR, KW, KZ, LA, LC, LK, Jiangsu224100 (CN)° LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, (72) & PA : $ It(ZHENG, Dehua); + PF ' L M MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, W E I 9 R f a XNW- 8 , Beijing PT, QA, RO, RS, RU, RW, SA, SC, SD, SE, SG, SK, SL, 100176 (CN)c 3f J (ZHANG, Wei); " F' IL SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, M = N X I L )r L F R fa- M 8 , US, UZ, VC, VN, ZA, ZM, ZWo Beijing 100176 (CN)c MHl(WEI, Dan); IL (54) Title: MICRO-GRID DYNAMIC STABILITY CONTROL SYSTEM AND METHOD =(54) M, JWIMXM-tLMW&rYPIHSVUt (57) Abstract: A micro-grid dynamic stability control system and method, comprising: a micro-grid dynamic stability control device (127) collects a real-time voltage and a real-time current 7 of a bus, and calculates a power factor based on the real-time voltage and the real-time current; a central control device (101) receives the power factor and sends a reactive power control - instruction when the power factor is less than a predetermined threshold value; and at least one local control device receives the reactive power control instruction and sends a control signal to the micro-grid dynamic stability control device and at least one distributed power supply controlled by the at least one local control device, wherein the micro-grid dynamic stability control device compensates the voltage of the bus on the basis of droop control according to the control signal; and the at least one dis tributed power supply sends out reactive power to the bus ac 101 GENTRA CONTRODEVCE cording to the control signal so as to improve the power factor 102 LOCAL DSATCHINOCENTRE t inl ipoefco 112 PHOTOVOLTAIC DATA COLLECTION ANDLOCAL CONTROL DEVICE of the bus. 122 PHOTOVOLTAIC ENERGY US ORG DEVICEN 1 24 MICROCCOMBUSTION ENGINE 125 DIESEL ENGINE 2 MCRO-GRID DYNAMICSTABILITY CONTROLDEVICE AA POWER SGNA. CABLECABLELINE BE OPTICAL FIBRE S CC NEWORKCABLE DD CAL CONTROL DEVICE FF ACCESS POINT W O 2018/120699 A20699AlII|II||I||||I|I|||II|I||||||I||I||||||||||||||||||||||| (84) tVT(Ft#t4A, niPj j^ ItfE {ffdt):ARIPO (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW), K[ R (AM, AZ, BY, KG, KZ, RU, TJ, TM), KUl (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, Fl, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR), OAPI (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG), - Pd8 FT- rta,,TRe ()M2 1 (3)) (57) Aig5: -# IR *- |M M -L V, rY U j% R2 ) M, M 1: IR M |M -,L V, r U Tj $ 127) ,, ant+B9fH +B4FF 9 AA -l, AMT+B4 H +B4Fr 9 J *VLitnTh)iL~t N , (10'U W 11), #b~ N Tl N kTf95 t -Gf 11ai) c-~ _ F1 ht i 11-AI _' L T --~ r_<U4F1 RNxM!L-V r' Lr' 'wP _ Uni *